package com.quanyan.place.component;

import org.springframework.aop.Advisor;
import org.springframework.aop.support.DefaultPointcutAdvisor;
import org.springframework.aop.support.JdkRegexpMethodPointcut;
import org.springframework.boot.context.embedded.FilterRegistrationBean;
import org.springframework.boot.context.embedded.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import com.alibaba.druid.support.spring.stat.DruidStatInterceptor;

@Configuration
public class DruidConfiguration {
   /**
     * 注册一个StatViewServlet
     * @return
     */
    @Bean
    public ServletRegistrationBean DruidStatViewServle(){
       //org.springframework.boot.context.embedded.ServletRegistrationBean提供类的进行注册.
       ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(),"/druid/*");
       //添加初始化参数：initParams
       //白名单：
       servletRegistrationBean.addInitParameter("allow","");
       //IP黑名单 (存在共同时，deny优先于allow) : 如果满足deny的话提示:Sorry, you are not permitted to view this page.
       servletRegistrationBean.addInitParameter("deny","");
       //登录查看信息的账号密码.
       servletRegistrationBean.addInitParameter("loginUsername","admin");
       servletRegistrationBean.addInitParameter("loginPassword","123456");
       //是否能够重置数据.
       servletRegistrationBean.addInitParameter("resetEnable","false");
       return servletRegistrationBean;
    }

    /**
     * 注册一个：filterRegistrationBean
     * @return
     */

    @Bean
    public FilterRegistrationBean druidStatFilter(){
        FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());
       //添加过滤规则.
       filterRegistrationBean.addUrlPatterns("/*");
       //添加不需要, 忽略的格式信息.-
       filterRegistrationBean.addInitParameter("exclusions","*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
       return filterRegistrationBean;

    }
    
    //添加aop的advice
    @Bean
    public DruidStatInterceptor druidStatInterceptor() {
        return new DruidStatInterceptor();
    }

    //添加aop的pointcut
    @Bean
    public JdkRegexpMethodPointcut jdkRegexpMethodPointcut() {
        JdkRegexpMethodPointcut jdkRegexpMethodPointcut = new JdkRegexpMethodPointcut();
        jdkRegexpMethodPointcut.setPatterns("com.quanyan.place.service.ApiPlaceService.*",
        		                            "com.quanyan.place.service.ApiPlaceOrderService.*",
        		                            "com.quanyan.place.service.PlaceOrderService.*",
        		                            "com.quanyan.place.service.PlaceGoodsService.*",
        		                            "com.quanyan.place.service.PlaceMemberService.*",
        		                            "com.quanyan.place.service.PlaceOrderAdminService.*");
        return jdkRegexpMethodPointcut;
    }

    //设置默认的aop配置对应的是原来的<aop:advisor>
    @Bean
    public  Advisor druidAdvisor() {
        DefaultPointcutAdvisor defaultPointcutAdvisor = new DefaultPointcutAdvisor();
        defaultPointcutAdvisor.setPointcut(jdkRegexpMethodPointcut());
        defaultPointcutAdvisor.setAdvice(druidStatInterceptor());
        return defaultPointcutAdvisor;
    }
   
}
